ORDER 67.-RUBIACE.fi. 147 



8 V.Lientago LI. Sweet Viburnum. Lvs. ovate and oval, long-acuminate, acutely and 



finely uncinate-serrate ; petiole with undulate margins ; fr. glaucous-black, oval, eat 

 able. Rocky woods, Can. to Ga. and Ky. 10 20f. A small, handsome tree. June. 



9 V. priiiilfoltutn L. Black Haw. Sloe. Lvs. shining, oval or ovate, obtuse, sharply 



uncinate-serrulate ; petioles slightly margined; cymes sessile; fr. blatkish, oval, 

 sweet. Woods, N. Y. to Ga. and 111. 10 20f. A small tree. Lvs. 23'. 

 /3. ferrvg-tneum. Possum Haw. Lvs. lance-oval, rusty beneath ; fr. tasteless. S. 



10 V. ii nd u tit L. Smooth; Ivs. oval-oblong, or lance-oval, subrevolute at edge, en- 

 tire or subcrenulate, not shining, veiny and dotted beneath; petioles not winged; 

 cymes on short stalks. Thickets. 10 20f. Lvs. 3 V. Drupes blue, eatable. Apr.-Jn. ( 



ft. attfustifoHum. Lvs. lance-oblong, acute at both ends, subentire. S. 



y. rasinoide. Lvs. ovate or oval, denticulate, obtuse, acute, &c. N. 



8. 01 air. Lvs. small (15"), oval, obtuse, very entire. South. 



I J V. obovatum Walt. Lvs. small (612"). ohovate, obtuse, entire or nearly so, 

 pubpessile. dotted ; cymes small, many, sessile. River banks, 8. 12f. Fruit black. Ap. 

 1 2 V. TINUS. iMitrextine. Lvs. lance-ovate, entire, thick, shining. Bur. 5f. 

 13 V. ODORATISSIMUM. Lvs. elliptic-oblong, repand-dentate, thick. China. 



ORDER LXVII. RUBIACE^E. MADDERWORTS. 



llants with opposite or verticillate, entire leaves. 8tipules between the 

 petioles sometimes leaflikc or 0. Calyx tube adherent to the ovary ; limb 4- 

 to 5-cleft. Corolla regular, inserted upon the calyx tube, and of the same 

 number of divisions. Stamens inserted upon the tube of the corolla, equal 

 m number and alternate with its segments. Ovaries 2-(rarely more)-celled. 

 Style single or partly divided. Fruit various. 



I STELLATE. Herbs with the leaves in whorls of 4 8 and no stipules, .(a) 



a Flowers 4-parted. Fruit twin, separating into 2 nutlets GALIUM. J 



a Flowers 5-parted. Fruit twin, separable, baccate, smooth ROBIA. 2 



OINCIIONE.'E. Leaves opposite or in whorls of 3, with stipules. 1> Herbs, .(o) 



6 Shrubs or trees., (tt) 



f Flowers in pairs, with a double ovary. Berry double MITCHELLA. 3 



t Flowers separate. Carpels 2, t. each 1 -seeded, separating in fruit. .(/) 

 e each 00 -seeded, forming a capsule.. (</) 



/ Fls. in clusters. h Both carpels open after separating BORRERIA. 8. Fla. 



A One carpel open, the other indehiscent SPRRH ACOCE. 4 



/ Flowers subsolitary. Both carpels indehiscent, k dry DIODIA. 6 



& baccate ERNODEA littoralis. S. Fla 



g Corolla funnel-form. Seeds 16 + , cup-shaped HouSTOHlA. 6 



.</ Corolla wheel -shaped. Seeds 80 + , angular OLDENLANDIA. 7 



A Flowers capitate, ir round, dense heads. Leaves otten ternate..(0 



A Flowers not capitate. m Carpels 2 10, each 1-seeded. In S. Florida.. (n) 



m Carpels 2 5, each 00 -seeded. Florida.. (o) 

 n Carpels 24, fewer than the lobes of the corolla. Fruit fleshy, .(p) 

 n Carpels 4 10, symmetrical with the corolla lobes. ,(q) 



I Flowers 4-parted, white. Fruit compacted but distinct, dry CEPHALAJCTHUS S 



I Flowers 5- parted, red. Drtipes united into a compact berry MORINDA Roine. S. Fl. 



p Leaves opposite. Racemes axillary. Carpels flattened CHIOCOCCA racemom. 



p Leaves opposite. Corymbs terminal. Carpels angular PSYCOTRIA. 



p Leaves in 3's, linear, rigid. Racemes axillary. Shrub STRUMPFIA maritima. 



q Spikes axillary, forked. Anthers on the throat of corolla GCKTTARDA. 



3 Panicles axillary. Filaments inserted on the base of corolla ERiTHALis/rirfiVoso. 



o Frnit baccate, 6-celled. Corolla tubular. Stigma entire HAMKLIA pnlnts 



o Fruit baccate, 2-celled. Cor. funnel-form, white. ^..CapeJetannine.. GARDENIA, p. 445 



o Fruit capsular. Flowers in radiant cymes. A sleuder tree PINCKNEYA. ! 



Flowers in cymes, not radiant, red. Shrub. t...Bor/VARDlA. lu 

 t Flowers solitary, axillary. Shrub 6 lOf EXOSTBXXA. S. Fla 



